* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

body.sem-cursor, body.sem-cursor * { cursor: none !important; }

#palco { position: fixed; inset: 0; background: #000; }

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  background: #000;
  will-change: opacity;
}

.slide img, .slide video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

#preto {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: #000;
  display: none;
}
body.tela-preta #preto { display: block; }

#laser {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 30;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: rgba(64, 150, 255, 0.85);
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 8px 2px rgba(64, 150, 255, 0.35);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  will-change: transform, opacity;
}
#laser.visivel { opacity: 1; transition-duration: 0.08s; }

#contador {
  position: fixed;
  right: 14px;
  bottom: 12px;
  z-index: 20;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.45);
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
#contador.visivel { opacity: 1; }

#grade {
  position: fixed;
  inset: 0;
  z-index: 25;
  overflow-y: auto;
  padding: 28px;
  background: rgba(8, 8, 10, 0.96);
}
#grade[hidden] { display: none; }

/* A grade fica num bloco interno sem altura fixa, para as linhas nunca se comprimirem. */
#grade-lista {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: 18px;
}

.miniatura {
  position: relative;
  display: block;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #000;
  color: inherit;
  font: inherit;
  cursor: pointer;
  overflow: hidden;
  outline: 2px solid rgba(255, 255, 255, 0.12);
  outline-offset: 0;
  width: 100%;
  aspect-ratio: var(--proporcao, 16 / 9);
}
.miniatura img, .miniatura video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.miniatura span {
  position: absolute;
  left: 6px;
  bottom: 6px;
  padding: 2px 8px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.65);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.miniatura:hover { outline-color: rgba(255, 255, 255, 0.4); }
.miniatura.atual span { background: #fff; color: #000; }
.miniatura.selecionada { outline: 3px solid #4096ff; }

#ajuda, #vazio {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 40;
  transform: translate(-50%, -50%);
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(16, 16, 18, 0.94);
  font-size: 14px;
  line-height: 1.5;
}
#ajuda h1, #vazio h1 { margin: 0 0 12px; font-size: 17px; font-weight: 600; }
#ajuda dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; }
#ajuda dt { color: rgba(255, 255, 255, 0.6); }
#ajuda dd { margin: 0; }
#vazio p { margin: 0; color: rgba(255, 255, 255, 0.75); }
#vazio code { padding: 1px 5px; border-radius: 4px; background: rgba(255, 255, 255, 0.1); }